S
M
T
W
T
F
S
28
80°
59°
29
82°
58°
30
81°
59°
1
85°
66°
2
84°
62°
3
83°
58°
4
80°
58°
5
80°
61°
6
79°
64°
7
82°
68°
8
88°
64°
9
85°
58°
10
81°
57°
11
80°
60°
12
81°
64°
13
80°
66°
14
81°
64°
15
83°
67°
16
87°
68°
17
90°
61°
18
88°
58°
19
80°
59°
20
79°
59°
21
80°
60°
22
80°
59°
23
79°
59°
24
78°
58°
25
81°
58°
26
80°
58°
27
84°
65°
28
82°
66°
29
85°
64°
30
86°
66°
31
86°
63°
1
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in New Haven
New Haven's July 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 57° and 68°. The average high for July is 82° with an average low of 62°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in New Haven. See also: August | September | October.
